I have a LEMET 120 l boiler with a heater. I also bought a stove with a feeder where I need to connect a DHW temperature sensor to it. I am asking for advice where I can connect such a sensor, because the controller manual says to place this sensor in the capillary in the boiler, but this boiler...

Here is a description of connecting the sensor

Hello. The rule is that the sensor is mounted in the capillary, most boilers do not have a capillary, but only a place for its assembly (free outlet with a 1/2 inch thread). The capillary must be purchased and installed in the boiler. If the boiler does not have a free inlet, the domestic hot water outlet can be used as a last resort.

in this boiler there is no space for hot water circulation, there is only an outlet for venting the water jacket. Is it possible to connect to the temperature indicator on the boiler or disconnect it and connect the sensor to the controller?

I do not know this particular heater, but most often in such situations I install the boiler controller sensor in the capillary of the electric heater sensor.

Exactly as my colleague writes above, I reworked the drawing earlier, I will post it now ;) kiss

@supermario1 did you manage to connect this temperature sensor to this boiler? I am facing the problem of choosing a boiler right now and this message will help me make decisions.

Connecting DHW Temperature Sensor in LEMET 120L Boiler Without Capillary

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#1 10108001 06 Nov 2011 12:53

supermario1 supermario1

Level 11

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Post #1
10108001 06 Nov 2011 12:53

I have a LEMET 120 l boiler with a heater. I also bought a stove with a feeder where I need to connect a DHW temperature sensor to it. I am asking for advice where I can connect such a sensor, because the controller manual says to place this sensor in the capillary in the boiler, but this boiler does not have one. The boiler has an external HUW temperature indicator and an electric heater with a thermostat and regulator. Can you connect to a gauge or thermostat.
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#2 10108019 06 Nov 2011 12:58

marekon marekon

Level 19

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Post #2
10108019 06 Nov 2011 12:58

http://www.sobik-kotly.pl/wymienna_dwuplaszczowy_120l-i103.html
Here is a description of connecting the sensor
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#3 10109364 06 Nov 2011 17:52

das160 das160

Level 15

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Post #3
10109364 06 Nov 2011 17:52

Hello. The rule is that the sensor is mounted in the capillary, most boilers do not have a capillary, but only a place for its assembly (free outlet with a 1/2 inch thread). The capillary must be purchased and installed in the boiler. If the boiler does not have a free inlet, the domestic hot water outlet can be used as a last resort.
#4 10129558 12 Nov 2011 12:53

supermario1 supermario1

Level 11
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Post #4
10129558 12 Nov 2011 12:53

in this boiler there is no space for hot water circulation, there is only an outlet for venting the water jacket. Is it possible to connect to the temperature indicator on the boiler or disconnect it and connect the sensor to the controller?

https://obrazki.elektroda.pl/6256050200_1321098715.jpg

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#5 10144880 16 Nov 2011 13:52

supermario1 supermario1

Level 11

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Post #5
10144880 16 Nov 2011 13:52

advice please!!!
#6 10163964 21 Nov 2011 06:19

DonRomano DonRomano

Level 34

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Post #6
10163964 21 Nov 2011 06:19

I do not know this particular heater, but most often in such situations I install the boiler controller sensor in the capillary of the electric heater sensor.
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#7 10164149 21 Nov 2011 09:05

kasprzyk kasprzyk

Electrician specialist

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Post #7
10164149 21 Nov 2011 09:05

Exactly as my colleague writes above, I reworked the drawing earlier, I will post it now ;)

kiss
#8 11386587 07 Oct 2012 15:05

owca_z owca_z

Level 12

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Post #8
11386587 07 Oct 2012 15:05

@supermario1

did you manage to connect this temperature sensor to this boiler?
I am facing the problem of choosing a boiler right now and this message will help me make decisions.
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Topic summary

The discussion revolves around connecting a Domestic Hot Water (DHW) temperature sensor to a LEMET 120L boiler, which lacks a capillary for sensor installation. Users suggest that while the manual recommends placing the sensor in a capillary, many boilers only have a threaded outlet for such connections. If no free inlet is available, the domestic hot water outlet may be used as an alternative. Some participants recommend connecting the sensor to the electric heater's thermostat or gauge, while others inquire about the feasibility of disconnecting the existing temperature indicator to facilitate the connection. Visual aids and diagrams are shared to illustrate potential solutions.
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Connecting DHW Temperature Sensor in LEMET 120L Boiler Without Capillary

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